There is the need for someone against which our characters can measure themselves. Without a ruler, you won't make the crooked straight.
A man afraid of death will never play the part of a live man.
It is often better not to see an insult than to avenge it.
Misfortune is the test of a person's merit.
When thou hast profited so much that thou respectest even thyself, thou mayst let go thy tutor.
A coward calls himself cautious, a miser thrifty.